Automatic oil-feeder.



H. HUEBER.

AUTOMATIC o|L FEEDER.

APPLICATION FILED'APR- 5| 1915.

wlmEssEs:

Patented Mar. 14, 1916.

'A fram/Ey FFICE.'

HENRY RUBBER, Oil" SEATTLE, `WSHNGTON, ASSIGNOR T0 HA.\NA VELINE, 0Fr

' SE..3T?LEi/VSHNGTGINX Specication of Letters Patent.

implication filed April 5, H5.

Bo it kuou'nihzi if, HENRY Human, citiryou of tho United States, rosifiiug :it Seattle, in the counj.' of King! and Stute oi' VVaShiugrtou. hui'o invented :i certain new und useful improvement in Automatic @ii-'Feedors. of which the following' is u spocicaiou.

M5' invention relates to improx'omonis in :iuoumtio oii foo'ilors which ure :ulupoii zur tomaiiculiy to coni-'rol lie iow of oii from 4uu oil rocoptuolo lo u desired point; of distriiiutiou und more purtiouhirly ii: relatos to i uppiirutus which is adapted io ho embodied 1u motor rohioio, :is un automobile, whore flow of lubricating oii from a tamii io the crunk cuSo of the oiigiiio oi: such uuiomoluie, und the ologoot of my mvouioii is to provide :iu automatic oil feeder which shalll cessation of iiow of such oii liaroiiio, byl

rousou of the oil in the oil milk of an :mio mobilo being* whoiiy consumed or by any other reiifon. 4 f

accomplish hoso objects Toy ciorices illustrzitod in tho accompanying drawing; by a view iu vorlioui mi-Seoziou wherein is' indicated paris of un ouoroohiio with which is ussocin'tocl :m oii oiiiiooriying my invention.

Referring to tho drawing, indicaos the (iriroris seat mail he ioor of im outomohilo, while 3 iudfcoes tho dashboard thereof,

I Vle is provifiri with fr gas@ iene origine gli t3 orouii' A ri airtigl'u,y rocophiolefi is provided with two chornhors l omi ausl with :i nipplof, which oipplo 9 projects from ono'siio of the wniis of fhe chamber i? lo soi-ew into u screwthroafied hoio in the siii@ 'mail of ho crunk coso 5 incl emeuiugihrough said nipple 9 is o passageway 1C through which oil may iow from the @bomber 8 im@ tho iiiferior of the crook omis 5 afi; opoim adjacent to bho roi-mired im'. 14, 1916.

i serial Hofman.

piano of the surface of tho desired normal quuuity of oii which is required to be main'- uinod horein.

Beiwoeh hochumioors 7 and 8 is :i passageway 1i exending through the lower portion of u. partition 12 which serves as a. wnli between ho chmubors 7 and 8,':md through said" pusszigmvuj. 11 oil may fiow from. the chamber T iuio lie chamber 8.

Through sho iop will of the chnmb'e'r S is :i screwlhrc-:uleil hoie, :1S shown, Within which is disposed :i screw-*threaded tube 13 :that projects cloii'iiujordly into tho chamber 8 :mdvwhich is adopiod to he adjustable with rvspoo to iis vertical position. so that if may' Associated with the automobile :it someconreuieut point is ou airtight oil tank 14 which may contain o Supplyo lubricating' oii und 'which is 'provini-2d with a screwihreaf'lofi holo hrough its top Woll Within which holo is ro'ziiornhly fiisposed u screwihreacied plug i5, through. which hole oil may iow in tho opemiionf filling. said tzmk M with oii.

'A comiuctirigr pipo i6 is connected bei Ween lio lower portion o ho tank 14 und the lower portion of the chamber 7 thi*A igh which oil may fior: from said tank 14 to said chamber 7, nucl o ioxibio conducting pipo 17 is {lisposod to connect the upper portion of the tank 1i wiLh the top end of the tube 'i3 zo form n. passogovv'oy therebetween. The conducting' pipe i6 is provided with a shutoff" volvo 18 which may be closo during the oerntion of iiliing the supply tank 14 with o1 Thus, as conrieots, with the shut-0% valve 18vopen, all the spaces Within the tank 14, tho pipes i6, iii@ pipo 17, the tuho 13, the

passogoway 1() into the crank case 5 until r rho surface of the oil in the crank case 5 risesto n piane that is iovel with the face of the bottom enci of the who 13 to causo the surlooft ci the oi lifi che chambei' S 'w engage with and cove- Sucia bottom emi of sani tube 13, i'xiiiis izo prevent air 'from "passing upn warciiy tiirougii said tube 18, thence tiiough,

pipe 17 into he space above che surface of the oil in the tank 14., whereupon oil wiiii ascend the ubc 13 untii its' surface reaches *die piene of the surface of he oi in the tank 1-1 and undef conditions oii will cessc iowing from h@ tank l@ into the crank case 5i since the ping 15 picveiis any iiiriirom entering the tank 14.- sid since .no aziz'- can enter such sank 14e ohra/ugh che pipe if?? i'iuiei ow of oi iom the 1i comici cenni ilo cause a vacuum .in the space above the soria/oe of the oiiii said tank 11; iius, she surface of 'che oiiio die crank cese due to atmospheric pressure thereon, com not rise above the piane 'that registers with che bottom end of the mice 13; but when,

by tiie operation of thc engine, the oi in,

he crank case 5 ,is decir ed in depth is cause iis surface' o fali 10c-e1 than tile pian of the botom of the tube 13, siien ci? wii find iis way through che passageway 1G ino@ the tube 187 thence irougo she pipe 1'? imo tiic space above the oii in. the tank M so'.

inez'rupi; thefnesidency orm a vacum therein sind' thcreuponoii Wiii, again iow from said; @ook 11 iioo zac ciailk'csse' again to raise the surface o the oii in the hamber 8 vsuiicioityhigh again io cover the boitom of the tube 13, again to incorso the ow of oil i'oiiithe 141 into e crank case 5, whereby 11e quen'iiy o' oii ic, the crank case 5 Wiii be' maintained mi tomaically et substan'tiziiiy e common, depth in an obvious manner;

1n ox'dci to' ndicme io the driver of the automobile the cessationA of oiv of' ythrough the pipo, 16, by reason of thevtank 111 becoming empty, or by mason ci obstrucion inthe pipo 16, whereby the' oi in the ci'ank cese 5 and. in che 'chambers 7 and 8 will decrease to less-'than the desired :cow

imal riepilo, I have provided. an vioiiiiceitor against side of the Idasi'ibozud 3 facing the cirvors seat, which indicator comprisesl other and provide/fi wish :i pessagewcy hi'ough which Huid may ow between the bottom' of' the space within the metal tubo 19 and the bottom of the space within she glass tube 20." f

The'tops of the glass tubeQO and she irzieai tube 19 are closed by scrcwwthrcafged pi is `21 and 22, rcspotiyely, and extend.-

i iipwai'diy through/51m botomci sho i. ai t'ubc 19 is :L pipo which terminates as a point ncar the top of the interior space within said metai tube 19, andsuch pipe 23 being disposed to extend downwxardy from the indio-oto! lto connect wich the chamber ;fi die opper portion of sii'cd shade) is poured in Until its surface i in the glass tubciiiscs to L poin coi*- respondiig to ho point 2-1 iii the (inviting upon said plug may be -i'epiziccd to close tighly the receptziclc; 'then the vulve 1S is openec to ,permit oii to iow from che tank 1,4: iiio she crank' case 5 and :is theA oil in said ciank case 5 i'iscs to its required noi-msi level the oil in the chzuiibcr '.\Yiii' lise coi'icspoiidingiy, thus forcing the aix he upper pari', of said ciiziiiibei into 'and through the ube ami into thc space above the indicating fluid in che izictzil tube 19 with the result that such indicating iuid wiil be forcee?. from said mami ubei) into the giass tube 20 causing such vHuid 'to risc 'perceptioiy @fooi/e point corrcsporiding to the poin where ii; con befreadiiy seca by she driver, thus indicating "no him thai;

there is o proper amount oil in he crank case 5.. 1i, however, the empty and he oii 121 che cifimk case 5 oiecreases iii depth sheii che failing; of the oii. in. the cifimfoer 7 "mii withdraw my from,y

the Space above ifiie uic lin iie tube 19 o cause such iuid ovbe oii che some evei in both of tubos 19 and '20, thus to make such Quid in he gloss tube 20 fedi out of sight to indicate that said teck 111 1s empty,

oi' to indicate (ahnt the oii the crank case ook 1% 'oecomes 5 is 10W by reason. of obstruction o e owl of oiithougii the oipe 16.

Menifesiy, on antemano ieguietiom of [lie iow ofroil iiio the crank case 5 fiom the tank woucil be efecteci if the pipo :23 shouid 'be removed and the iop wail ci the chamber' 'Y cioscc', thus fiispenein thc use ciglio indicator, but such in icato is' prefcrzibij employe ami is adopted; to

.operato iiitei'cgooiiciexitiy anni .conjointly' vwith the oil feeds-3.".

ciosuire may be of e uniform ieve, ai gogo cmbodyin-f e i'iui receptacle and c trans parent t y conneced with the lower poi'- tion ofthe ici/ericaspaoe ciseiifil Quid cecept'ecle, sind` an cir pipe connecting 'iio upper portion of the interior space of said Huid receptacle with the upper portion of the interior space of said inelosure.

2. ln a structure of the class described, the combination with the crank case of an engine, of an airtight receptacle which is provided with two chambers connnunicating with each other 'through a passageway in their lower portions; a conduit disposed to connect said receptacle with said crank case so that oil may flow from said receptacle' into said crank case; a tube disposed to extend downwardly through the top wall of one of said chambers in said receptacle to a point registering with a desired plane of the surface of the oil within said crank case; an airtight oil tank; a conducting pipe disposed to form a passageway between said tube and the upper portion oi the space within said tank; a conducting pipe disposed to forni a passageway between the lower portion of the space within said tank and the .lower portion of the space within the other of said chambers in said recep taele; a serew-tln'eaded hole disposed to extend through the top wall of the said other one of said chambers; a i'iuid receptacle enibmlying; a vertically disposed glass tube gage whose upper end closed and whose lower end is connected with the lower portion ot' the space within said receptacle.; and an air pipe having;r one of its ends fixed in said serew-threaded hole in said other one of said chambers while its other end portion is disposed to terminate within said airtight receptacle at the upper portion thereof.

ln witness whereof, Vl hereunto'subscribe my naine this twenty-sixth day of March,

l l ENR Y HUEBIB. 'vvitnrsses O. JOHxsoN, A. Hasiuxs. 

